S
M
T
W
T
F
S
26
96°
76°
27
98°
78°
28
96°
79°
29
94°
78°
30
94°
77°
31
93°
77°
1
89°
73°
2
88°
76°
3
90°
75°
4
89°
74°
5
86°
75°
6
90°
76°
7
87°
76°
8
88°
75°
9
87°
76°
10
87°
76°
11
88°
75°
12
87°
76°
13
87°
76°
14
88°
75°
15
87°
76°
16
87°
76°
17
88°
75°
18
86°
76°
19
85°
75°
20
86°
74°
21
86°
74°
22
86°
72°
23
86°
72°
24
85°
73°
25
84°
74°
26
85°
75°
27
86°
75°
28
85°
74°
29
84°
75°
30
85°
75°
31
85°
74°
1
86°
74°
2
86°
72°
3
86°
74°
4
86°
70°
5
87°
72°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Slidell
Slidell's August 2026 forecast shows daily high temperatures ranging from 84° to 98°, with overnight lows between 70° and 79°. The average high for August is 88° with an average low of 75°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how August weather will actually feel in Slidell. See also: September | October | November.
